19261508

素因数分解:

$2^2\times 7^3\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 39984000

約数和(自身を除く): 20722492

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 139, 196, 202, 278, 343, 404, 556, 686, 707, 973, 1372, 1414, 1946, 2828, 3892, 4949, 6811, 9898, 13622, 14039, 19796, 27244, 28078, 34643, 47677, 56156, 69286, 95354, 98273, 138572, 190708, 196546, 393092, 687911, 1375822, 2751644, 4815377, 9630754, 19261508]

約数ペア:

[(1, 19261508), (2, 9630754), (4, 4815377), (7, 2751644), (14, 1375822), (28, 687911), (49, 393092), (98, 196546), (101, 190708), (139, 138572), (196, 98273), (202, 95354), (278, 69286), (343, 56156), (404, 47677), (556, 34643), (686, 28078), (707, 27244), (973, 19796), (1372, 14039), (1414, 13622), (1946, 9898), (2828, 6811), (3892, 4949)]